Having grown up around boating, we learned real fast to stay CLEAR of the boat's propeller if the engine was running. I suspect he panicked when she fell into the water and jumped right in. Should have asked the captain to KILL the engines FIRST, then jumped in to save her....

https://www.msn.com/en-us/news/world/boat-propeller-kills-billionaire-s-son-as-he-tries-to-save-fianc%C3%A9e-who-fell-from-boat/ar-AAV3Rje?ocid=msedgntp